QString HostInfo::getCPUID()
{
    QString CPUID;
    int b;
    for (int a = 0; a < 5; a++) {
        asm ( "mov %1, %%eax; cpuid; mov %%eax, %0;"
        :"=r"(b) /* output */
                :"r"(a) /* input */
                :"%eax","%ebx","%ecx","%edx" /* clobbered register */
                  );
        //        qDebug() << "The code " << a << " gives " << b;
        CPUID.append(QString("%1").arg(b));
    }
    return CPUID;
}